../ dmsp_14_ephemeris_20100821.txt 22-Jun-2023 00:16 109547 dmsp_15_ephemeris_20100821.txt 22-Jun-2023 00:16 109469 dmsp_16_ephemeris_20100821.txt 22-Jun-2023 00:16 109675 dmsp_17_ephemeris_20100821.txt 22-Jun-2023 00:16 109621 dmsp_18_ephemeris_20100821.txt 22-Jun-2023 00:16 109578